dē-mītĭgo, āre,
v. a., to make milder; pass., to become milder, more lenient : nosmet ipsi quotidie demitigamur, Cic. Att. 1, 13, 3.
dē-mītigō —, —, āre, to make mild: cottidie demitigamur, grow more lenient. ...
An Elementary Latin Dictionary